On Wed, 21 Aug 2024 20:25:07 GMT, Chen Liang <li...@openjdk.org> wrote:
> @cl4es discovered that Stack Map generation in ClassFile API uses > `componentType` and `arrayType` for `aaload` `aastore` instructions, which > are currently quite slow. We can split out array class descriptors from class > or interfaces to support faster `arrayType` and `componentType` operations. > > Tentative, as I currently have no way to measure the actual impact of this > patch on the startup performance; however, this made the `ClassDesc` > implementations much cleaner. This pull request has now been integrated. Changeset: 25c2f48d Author: Chen Liang <li...@openjdk.org> URL: https://git.openjdk.org/jdk/commit/25c2f48d458bfd92423c311a887679ad3e1e4041 Stats: 873 lines in 20 files changed: 476 ins; 255 del; 142 mod 8338544: Dedicated Array class descriptor implementation Reviewed-by: redestad, mchung, jvernee ------------- PR: https://git.openjdk.org/jdk/pull/20665
